Re: [PATCH v3] platform/x86: dell-laptop: Implement platform_profile

[kernel test robot <lkp@intel.com>]

Hi Lyndon,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.9-rc6 next-20240430]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Lyndon-Sanche/platform-x86-dell-laptop-Implement-platform_profile/20240430-135932
base:   linus/master
patch link:    https://lore.kernel.org/r/20240429164844.7544-2-lsanche%40lyndeno.ca
patch subject: [PATCH v3] platform/x86: dell-laptop: Implement platform_profile
config: i386-buildonly-randconfig-001-20240501 (https://download.01.org/0day-ci/archive/20240501/202405011636.CDJVLh7l-lkp@intel.com/config)
compiler: clang version 18.1.4 (https://github.com/llvm/llvm-project e6c3289804a67ea0bb6a86fadbe454dd93b8d855)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240501/202405011636.CDJVLh7l-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405011636.CDJVLh7l-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/platform/x86/dell/dell-laptop.c:2387:5: warning: no previous prototype for function 'thermal_init' [-Wmissing-prototypes]
    2387 | int thermal_init(void)
         |     ^
   drivers/platform/x86/dell/dell-laptop.c:2387:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    2387 | int thermal_init(void)
         | ^
         | static 
>> drivers/platform/x86/dell/dell-laptop.c:2418:6: warning: no previous prototype for function 'thermal_cleanup' [-Wmissing-prototypes]
    2418 | void thermal_cleanup(void)
         |      ^
   drivers/platform/x86/dell/dell-laptop.c:2418:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    2418 | void thermal_cleanup(void)
         | ^
         | static 
   2 warnings generated.


vim +/thermal_init +2387 drivers/platform/x86/dell/dell-laptop.c

  2386	
> 2387	int thermal_init(void)
  2388	{
  2389		int ret;
  2390		int supported_modes;
  2391	
  2392		ret = thermal_get_supported_modes(&supported_modes);
  2393		if (ret || !supported_modes)
  2394			return 0;
  2395	
  2396		thermal_handler = kzalloc(sizeof(*thermal_handler), GFP_KERNEL);
  2397		if (!thermal_handler)
  2398			return -ENOMEM;
  2399		thermal_handler->profile_get = thermal_platform_profile_get;
  2400		thermal_handler->profile_set = thermal_platform_profile_set;
  2401	
  2402		if (supported_modes & DELL_QUIET)
  2403			set_bit(PLATFORM_PROFILE_QUIET, thermal_handler->choices);
  2404		if (supported_modes & DELL_COOL_BOTTOM)
  2405			set_bit(PLATFORM_PROFILE_COOL, thermal_handler->choices);
  2406		if (supported_modes & DELL_BALANCED)
  2407			set_bit(PLATFORM_PROFILE_BALANCED, thermal_handler->choices);
  2408		if (supported_modes & DELL_PERFORMANCE)
  2409			set_bit(PLATFORM_PROFILE_PERFORMANCE, thermal_handler->choices);
  2410	
  2411		// Clean up but do not fail
  2412		if (platform_profile_register(thermal_handler))
  2413			kfree(thermal_handler);
  2414	
  2415		return 0;
  2416	}
  2417	
> 2418	void thermal_cleanup(void)
  2419	{
  2420		if (thermal_handler) {
  2421			platform_profile_remove();
  2422			kfree(thermal_handler);
  2423		}
  2424	}
  2425	

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